*{
    margin: 0;
    padding: 0;
    border: 0;
    list-style: none;
}
body{
    background-color: #F2F1EE;
}
.header{
    margin: 0 auto;
    height: 100px;
    width: 1920px;
    background-color: #F2F1EE;
    display: flex; /* 使用 Flexbox 布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}
.logo{
    display: flex; /* 使用 Flexbox 布局 */
    align-items: center; /* 垂直居中 */
    position: relative;
    left: -130px;
    font-size: 70px;
    font-weight: 1000;
    font-family: serif;
    color:#EC5611;
}
.header nav{
    display: flex; /* 使用 Flexbox 布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
    position: relative;
    justify-content: space-between;
    top: 0px;
    left: 0px;
    list-style-type:none;
}
.header nav li
{
    display:inline;
    font-size: 40px;
    margin-right: 80px;
    color: #3e3636
}

.drop{
    margin: 20px;
    position: relative;
    top: 137px;
    left: 115px;
}
.dropdown{
    position: relative;
    top: 21px;
    right: 52px;
    z-index: 1;
    background-color: #ffffff40;
    visibility: hidden;
}
.drop a:hover{
    position: relative;
    left: -5px;
}
.header nav .drop:hover .dropdown{
    visibility: visible;
}
.dropdown a{
    position: relative;
    display: block;
    margin: 20px;
}
.header nav li a:link
{
    color:#3e3636;
    text-align:center;
    padding:6px;
    text-decoration: none;
    text-transform:uppercase;
    transition: all 0.3s;
}
.header nav li a:hover
{
    color: #EC5611;
    font-size: 50px;
}
.header ul{
    position: relative;
    left:50px;
}
.header ul li{
    list-style-type: none;
    display: inline-block;
    /* margin-right: 5px; */
    font-size: 25px;
}
.header ul li a{
    font-size: 25px;
    text-decoration: none;
}

.header ul li a:hover{
    color: #EC5611;
}

@keyframes move {
    25% {
        transform: translateY(-4px);
    }

    50%,
    100% {
        transform: translateY(0);
    }

    75% {
        transform: translateY(4px);
    }

}

.jump{
    animation: move 1.6s linear infinite;
}

.index-1{
    height: 692px;
    width: 100%;
    margin-left: 10px;
    display: flex; /* 使用 Flexbox 布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}
.index-1 .index-1-left{
    width: 1920px;
    height: 100%;
    position: relative;
    overflow: hidden;
    margin-right: 10px;
    float: left;
}
.index-1 .index-1-left #index-1-1{
    height: 692px;
    position: relative;
    transition: all .5s;
    -webkit-transition: all .5s;
}
.index-1 .index-1-left #index-1-1 li{
    float: left;
    border-radius: 4px;
    position: relative;
}
.index-1 .index-1-left #index-1-1 li img{
    height: 692px;
    border-radius: 4px;
}
.index-1 .index-1-left #index-1-1 p{
    visibility: hidden;
    position: absolute;
    width: 100%;
    height: 50px;
    bottom: 3px;
    text-indent: 20px;
    font-size: 30px;
    color: #FFFFFF;
    background-color: rgba(0,0,0,0.5);
    /* box-shadow: -2px -2px 2px rgba(0,0,0,.1); */
}
.index-1 .index-1-left #index-1-1 :hover p{
    visibility: visible;
}
.index-1 .index-1-left #index-1-1 p span{
    border-radius: 2px;
    padding: 0px 3px;
    margin: 0px 3px;
    color: #e87509;
    font-size: 28px;
}
.index-1 .index-1-left #index-1-2{
    width: 200px;
    height: 20px;
    position: absolute;
    bottom: 5px;
    right: 5px;
}
.index-1 .index-1-left #index-1-2 li{
    width: 30px;
    float: left;
    margin-right: 10px;
    line-height: 20px;
    text-align: center;
    position: relative;
    bottom: 10px;
}
.index-1 .index-1-left #index-1-2 li a{
    width: 25px;
    height: 25px;
    font-weight: 1000;
    border-radius: 50%;
    color: #e87509;
    background-color: #FFFFFF;
    display: inline-block;
    font-size: 18px;
    text-decoration: none; /* 去除链接的下划线 */
    vertical-align:middle;
    transition: all .3s;
}
.index-1 .index-1-left #index-1-2 li a span{
    position: absolute;
    right: 9px;
    top: 4px;
}
.index-1 .index-1-left #index-1-2 li:hover a{
    background-color: #e87509;
    border: 3px solid #FFFFFF;
    transform: scale(0.8) ;
    width: 30px;
    height: 30px;
    margin-right: 14px;
    margin-bottom: 14px;
}
#prevBtn, #nextBtn {
    position: absolute;
    top: 50%;
    width: 100px;
    height: 200px;
    border-radius: 10%;
    transform: translateY(-50%);
    font-size: 30px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    transition: all 0.3s;
}
#prevBtn {
    left: 10px;
}
#nextBtn {
    right: 10px;
}
#prevBtn:hover{
    left:0;
    width: 80px;
    height: 160px;
    color: white;
    background-color: #e87509b2;
    border: 3px solid #FFFFFF;
}
#nextBtn:hover{
    right: 0;
    width: 80px;
    height: 160px;
    color: white;
    background-color: #e87509b2;
    border: 3px solid #FFFFFF;
}
.content {
    width: 1200px;
    margin: 0 auto;
    padding: 20px;
    border-radius: 10px;
    background-color: #F2F1EE;
}
.content h1 {
    position: relative;
    margin-bottom: 15px;
    text-align: center;
    line-height: 60px;
    color: #e87509;
}

.content h1::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 700px;
    width: 100px;
    height: 3px;
    background-color: #e87509;
}

.content h1::after {
    content: '';
    position: absolute;
    top: 28px;
    right: 700px;
    width: 100px;
    height: 3px;
    background-color: #e87509;
}

.content p {
    line-height: 30px;
}

.content h3 {
    line-height: 50px;
    color: #e87509;
}
.img_r {
    float: right;
    width: 400px;
    margin-left: 20px;
}
.js {
    width: 100%;
    height: 660px;
    margin: 20px auto;
}

.js img {
    float: left;
    transition: all .5s;
}

.js img:hover {
    transform: translate(5px, -5px);
    box-shadow: 5px -5px 5px 5px #ccc;
}
.p1 {
    height: 400px;
    margin-bottom: 20px;
}

.p2 img {
    width: 372px;
    height: 230px;
    margin-right: 20px;
}
.j1 {
    width: 700px;
    margin-right: 20px;
}

.j2 {
    margin-top: 80px;
    width: 420px;
}
.footer {
    margin-top: 15px;
    width: 100%;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background-color: #F2F1EE;
}
.point{
    margin: 0 auto;
    display: flex; /* 使用 Flexbox 布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}
.header a{
    color: #3e3636;
}